31
votes
0answers
1k views

Custom trackpad pan/zoom/rotate behavior add-on

I'm trying to write an addon to customize the trackpad panning, zoomimg, and rotating gestures, but can't find a way to read the actual trackpad parameters for position and so on. The properties in ...
12
votes
0answers
455 views

Property Panel Custom Popup Menu when user presses hotkey over an input field

is it possible to trigger this kind of menu: in the property panel when I press a hotkey over a button/input field? I want to specifically,when the user presses a specific hotkey when over an input ...
10
votes
0answers
222 views

How to make a dynamically expanding menu in Blender?

Say we want to navigate a tree structure without knowing all the data ahead of time, is it possible to do this in Blender? For example, a menu which dynamically loaded a directory hierarchy from the ...
9
votes
0answers
661 views

2D morphing video images

I'm trying to morph from one video to another. I've seen some tutorial of how to morph images subdividing the plane and moving vertices, but what I really want is to morph from 2D moving images (video)...
8
votes
0answers
171 views

Blender on Windows is skipping python script. (brenda on windows)

We've been using Brenda for quite some time now for rendering architectural stills. Since our editing stations are doing nothing at night, I started making a desktop app that allows you to pick jobs ...
8
votes
0answers
1k views

How to create macro/record actions while modeling

I'd like to record my actions and create a macro. I've tried allready two things: 1) copying actions from Info panel and pasting them to text aditor. Then adding the lines: ...
7
votes
0answers
90 views

Lens distortion algorithm in Movie Clip Editor

Which lens undistortion algorithm is used in Blender? I want to know more about these K1, K2, K3 parameters. How do they work? How they relate to each other. Why I need K2 and K3 if K1 does the job? ...
7
votes
0answers
859 views

Using a video from the Video Sequence Editor in the Movie clip editor?

So what I want to do is track a video that I have edited in NLE, but when I click on the movie icon whilst in the Motion Tracking layout, the list is blank.
6
votes
0answers
75 views

3D Stereo Active shutter vision LCS glasses realtime viewport?

Is it possible (or maybe already implemented by someone) to configure the viewport to display stereoscopically at a set frequency dependent on the given screen refresh rate, while having the frequency ...
6
votes
0answers
100 views

Problem with sculpting, using graphics monitor

So I have this graphics drawing monitor Huion Kamvas, that I'm trying to use with the blender sculpting, and I am getting this weird issue. Whenever I try to put the first stroke on my object, ...
6
votes
0answers
162 views

How to call original operator from operator's override?

I would like to amend functionality of an existing operator with a condition check and then "proceed" with the original operator (if condition check allows it). It is essentially what is done in ...
5
votes
0answers
57 views

Animate Curve along mesh surface

i am trying to find a way to aproach, animating a curve along a mesh surface, like having a wire creating a mesh. I thought about having a curve snapped along the mesh and then animate the wires. Do ...
5
votes
0answers
65 views

Crowd Scene: Generating many characters with random clothing objects

I'm working on a small crowd scene and trying to figure out the best way to set it up from a workflow perspective. I have addons or particle systems to place the characters, but I need to generate a ...
5
votes
0answers
374 views

ANT Landscape erode option?

I have just updated to Blender 2.79 and was playing around with the updated ANT landscape add-on when I noticed a new option called Landscape Eroder, this has the potential to be really cool but I can'...
5
votes
0answers
279 views

PyOpenGL and VBO Indexes

Long story short, I'm trying to do a modal handler that draws using OpenGL into the viewport. Immediate mode through BGL works fine, but is dog slow. I tried using VBOs through BGL but there seems to ...
5
votes
0answers
281 views

Viewport widgets with draw handler

Is it possible to create viewport widgets with draw handler? I have an operator which produces simple mesh geometry, I use operator redo properties panel to edit the result as shown in animation ...
5
votes
0answers
185 views

“Search for unknown operator” On Start-Up After Removing Module and Shortcuts

For lack of a less drastic alternative, I created a whole module just for setting bpy.context.window.screen to a specific screen, since ...
5
votes
0answers
275 views

Can I render ambisonic b-Format audio?

Im looking for a way to render spatialized sound to 1st order ambisonic b-format. I assumed the 4ch option in scene audio settings was the key. But that just seems to render a quad speaker setup? The ...
5
votes
0answers
132 views

What do different execution contexts mean?

The documentation says that I can invoke an operator with a different execution context, either invoking or executing it. What I know is that invoke will most often ...
5
votes
0answers
968 views

How to make a waxy, deep-sea-fish material?

I am trying to make a material for a sea monster that looks like a deep-sea creature. They have skin that seems slimy, waxy, and slightly translucent, as shown in these reference images: My first ...
5
votes
0answers
66 views

Is there a way to get a unique value per dupli group instance?

Given a number of dupligroups, is there a way to get a unique random value for each one in a cycles shader? Using the object info node won't work, as each instance consists of multiple objects. I'd ...
5
votes
0answers
146 views

Killing Blender processes

So I'm currently using Java's ProcessBuilder to run Blender Python scripts for rendering in the background and that's working fine. However, I would also like to abort Blender at any time, and unless ...
5
votes
0answers
332 views

Stencil Image low resolution

I am trying to texture paint a mesh using a pretty high resolution stencil image.. But when i try to zoom into the image to paint the details...it appears very low res... Is there any way to make it ...
5
votes
0answers
1k views

How to get actual rendering progress and estimation from render_stats python handler?

There is render_stats bpy handler It seem like it is invoked every time rendering engine prints to console smth like ...
5
votes
0answers
428 views

Setting bouncing curve in graph editor

Is it possible to modify the bouncing and elatic curves in the graph editor ? For example, modifying the number of bounces, the amplitude, ... ?
5
votes
0answers
526 views

Constrained depth of sculpting

In Sculpt mode, I need to fix Adding/Substracting of the object to a minimum/maximum depth, that I've predetermined. I need the whole mesh to be smooth, as if I used normal brush but with a Layer, ...
5
votes
0answers
840 views

How does blender calculate poseBone.matrix?

How does blender calculate a poseBone.matrix through the hierarchy chain? A bone's final matrix is a transformation matrix which defines the bone in armature-space in the current pose (M1). I want to ...
4
votes
0answers
54 views

Is is possible to get boids data to animation nodes signalling when they are 'attacking'?

I am creating a space dogfighting scene and I have been able to hook up the particle boids to animation node instances, including positions and even the rotations by normalizing the velocity and ...
4
votes
0answers
32 views

How does “Flip Normals” affect Face Corner Data?

I use the "Normal Edit" and "Data Transfer" functions a lot, therefore I'm working with custom Normals with Face Corner Normals that differ from the Vertex Normals. The Pink lines represent the Face ...
4
votes
0answers
61 views

Filmic color management and masks

I recently had the problem of having to mask (rotoscope) some footage in the movie clip editor and render out some elements to put in there. For rendering those 3D elements, I wanted to use the filmic ...
4
votes
0answers
59 views

Why does Select-All in Face-Select mode also select isolated edges?

Blender v2.79. Let's say I have to extrude all faces of this planar construction containing two edges not included in faces, and one isolated vertex: In this object, there are not hidden ...
4
votes
0answers
119 views

How to create realistic steam in blender?

Situation I created a fluid simulation of boiling water in a pot. Now I am trying to create photo realistic steam in blender. I want to show the steam rising up from the pot. Here you can see what I ...
4
votes
0answers
82 views

ATOM : setup blender python environment in my IDE

Anyone using atom here for developing blender addon etc ? How can i setup the blender environment (autocomplete, lib access etc) in Atom ? Tried to googling it but can't found any help. Some tutorial ...
4
votes
0answers
53 views

Maintain equal rotation on multiple objects

I am making a model with gears. I want to be able to turn any gear and have the others fallow. Using constraints or drives only one gear will rotate (and the other will fallow). Is there anything I ...
4
votes
0answers
433 views

“Unsupported channel layout” Error, when trying to render with AAC-Audio

I try to render a Video with Blender's video editor. Under Output I set FFmpeg video as file format. Under Render I set Container...
4
votes
0answers
44 views

split up and render depth slices (for extreme dof)

I'm doing a particle simulation of fire embers swirling around, to be matched up to a filmed plate. The plate has a very shallow depth of field, which creates a problem when comping it in. It takes ...
4
votes
0answers
31 views

Can i hide the mini axis per 3D View (instead of globally via preferences)

I know I can i hide the mini axis globally for all 3D views in the preferences, but i would like to just hide it for 2 of 3 3D views in my screen layout. Is it possible?
4
votes
0answers
56 views

Planetary Clouds

Is it possible to create a planetary-volumetric style clouds on the faces of a sphere? Every attempt I try always comes out to look too 2d when approaching the image closely. I tried the volume output ...
4
votes
0answers
186 views

Unable to export per vertex data to wavefront

I am trying to reconstruct a cube with normals that look like in the very first animation in the "Introducing normals" part of this article. If I start out with the default cube, smooth the faces and ...
4
votes
0answers
218 views

Particle Instance Modifier : colour each instance based on the emitter texture (like Hair strands materials do)

In cycles, with particle hair strands, I can get the colour from the texture of the emitter object for colouring the entire strand. When I use the "Particle Instance" modifier on a mesh (a simple ...
4
votes
0answers
431 views

How can I disable click to move (grab)?

When I select an object by clicking right or left mouse button, the objects moving with my cursor. I'm new to Blender, not sure if this is a normal default. I tried to disable translate under 3D View, ...
4
votes
0answers
187 views

Using Particle systems on an Array Modifier's Cap

I'm new to Stack Exchange, but I've been using blender casually for the past year, or so I'm currently working on a city, for the purpose of learning and fun. To save myself from building a lot of ...
4
votes
0answers
69 views

Render only Nodes that Change

When compositing with Blender, oftentimes I'll end up with a large node graph, with most of the nodes not changing at all. However, whenever I add another node, even if it's not connected to the rest ...
4
votes
0answers
241 views

Rig a strand with multiple control points?

I am trying to figure out the most optimal way to rig things like hair strands, cables, tentacles, etc. I am looking to make a strand that is moved with a controller at the tip, but then has multiple ...
4
votes
0answers
356 views

Nvidia GPU not showing as Compute Device for Cycles

I have a question concerning my GPU Cycles Compute Device. I am running MacBook Pro 10.12.5 with a NVIDIA GeForce GT 650 M. I have done my research a bit and stumbled upon a confusing area. I ...
4
votes
0answers
78 views

Correctly combining a two layer material in cycles

I am trying to create a material that has two physical layers. A thin top layer covering the second main body layer of the object, I have drawn a quick sketch of what I mean: Light interacting with ...
4
votes
0answers
317 views

ACES workflow in Blender

Q.: What is the correct way to import ACES 2065-1 encoded EXR files into Blender whilst keeping the look identical to what I saw when exporting from Davinci Resolve? In both application I select the ...
4
votes
0answers
133 views

Shader that forgives self-intersection?

I've created a displacement map which is based on the height of the mesh. The problem is that by the nature of this organic texture there is some self-intersecting geometry. I don't believe this can ...
4
votes
0answers
56 views

how to retrieve movie clip details with a script?

I primarily use blender as a video sequence editor for existing movie clips. Generally I want to remove a few frames and then render the movie with the same output format as the movie clip that I am ...
4
votes
0answers
618 views

Render on Tesla K80

I'm trying to render on a Tesla K80, but it doesn't work. blender --debug-cycles outputs ...

15 30 50 per page